#include<iostream>
using namespace std;
const int N = 1e3 + 10;

int f[N][N];
int main()
{
	int n, m;cin >> n >> m;
	while(m--)
	{
		int x1, y1, x2, y2;
		cin >> x1 >> y1 >> x2 >> y2;
		f[x1][y1]++;
		f[x2 + 1][y1]--;
		f[x1][y2 + 1]--;
		f[x2 + 1][y2 + 1]++;
	}
	for(int i = 1; i <= n; i++)
	{
		for(int j = 1; j <= n;j++)
		{
			f[i][j] += f[i - 1][j] + f[i][j - 1] - f[i - 1][j - 1];
			std::cout << f[i][j] << " ";
		}
		std::cout << std::endl;
	}
	return 0;
}
 
